After the Supreme Court appeared poised to weaken a key provision of the landmark civil rights law, both parties began to reckon with an uncertain future.
In a dispute over a Louisiana voting map, the justices grappled with whether there should be a time limit on using race as a factor in carving up voting districts.
The justices have shown a willingness to chip away at the landmark civil rights legislation. A Louisiana case could unravel much of its remaining power.
President Lyndon B. Johnson with the Rev. Dr. Martin Luther King Jr. after signing the Voting Rights Act in August 1965. Since then, the law has served to protect the voting power of Black Americans.